22102121020193 has 2 divisors, whose sum is σ = 22102121020194. Its totient is φ = 22102121020192.

The previous prime is 22102121020159. The next prime is 22102121020223. The reversal of 22102121020193 is 39102012120122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11085516978064 + 11016604042129 = 3329492^2 + 3319127^2 .

It is a cyclic number.

It is not a de Polignac number, because 22102121020193 - 2¹⁰ = 22102121019169 is a prime.

It is a super-2 number, since 2×22102121020193² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22102121020093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11051060510096 + 11051060510097.

It is an arithmetic number, because the mean of its divisors is an integer number (11051060510097).

Almost surely, 2^{22102121020193} is an apocalyptic number.

It is an amenable number.

22102121020193 is a deficient number, since it is larger than the sum of its proper divisors (1).

22102121020193 is an equidigital number, since it uses as much as digits as its factorization.

22102121020193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 22102121020193 in words is "twenty-two trillion, one hundred two billion, one hundred twenty-one million, twenty thousand, one hundred ninety-three".